I’m just answering my first question everyone
A) A fort was established and many were killed by diseases
Lewis and Clark's expedition was not positive to the native of Mandan village the most devastating epidemic was the smallpox outbreak in the year 1837 killing a lot of people. The epidemic played an important factor in uniting the surviving Mandans and Hidatsa who later engaged in trade, farming and hunting.
One of the factors leading to Ronald Reagan's Republican victory in 1980 was his upbeat and decisive demeanor
The sun is at the center of our solar system
